From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DE36AF3C985 for ; Tue, 24 Feb 2026 14:46:10 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4fL0sF3V2mz3cPR; Wed, 25 Feb 2026 01:46:09 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=209.85.161.70 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1771944369; cv=none; b=LIDoHhkKKQXb4nIjkCAp2n4aXmv3KbIhf+KH1bQR7PwJNZ+k7o790RZmBEDGXb2HOdeNtPE6RrrX7VW3fjUOJMMGt/inXkq+j7XaIblJQNx+yAQNSDhPa8YuJfiibLwTHBl0e9v88XtsG8H1bjBGexqToERXFkKfjk5t1n54Sb8pXq5s57RRNPg1MAJvHeYyyNyhtKXo05MljZb78HR5dFLTLYVgQIUqr9xmHGtT8mjILW1CQrZDhb51cvGx18j6+VP2ogj6v/lhOXg6mDCYR6e7wrq2c7kEYvX6JO9+nXQhalCgkCDiF48GJVa0JzjkS6wpGcFZY1kBqtNH4bhjDw== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1771944369; c=relaxed/relaxed; bh=zi58+sVP6mtMI6o5BoedbTqrbI4lZ+bprroNdTYYz+Y=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=FUvakmKg41SwNNwa0xzmgPctR6tRusyI5kyJSang5D4bWG2vSaPKYzLcQ5u1hFzantUD9n2IbvtcHVFWezRt9+G4DuT7zXHyZ8SpwvNoNYeelNExWGdzlXTUqm8z6qWdaZ9RK6h9GXusNuVT/j34vB4l/WHJdMmYBBn1vwf+l9gFJI8rPj+cbPTJh5Eu1WSlSEBE6W8T551S7GKO+8ejCqBfUKHn5EMkzkoQp/S38hkqzvWAH89NUdChLAVlyxpvRT5cFb7TDPofgSdWfp5XIogB3gXB6QIM7PZeHIvi4P2QEkVkr/CINo+vZW18vGDkTM6/AJLwXyBZGUo3B6+obQ== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass (client-ip=209.85.161.70; helo=mail-oo1-f70.google.com; envelope-from=3q7mdaqkbaogcijukvvobkzzsn.qyyqvoecobmyxdoxd.myw@m3kw2wvrgufz5godrsrytgd7.apphosting.bounces.google.com; receiver=lists.ozlabs.org) smtp.mailfrom=m3kw2wvrgufz5godrsrytgd7.apphosting.bounces.google.com Authentication-Results: lists.ozlabs.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=m3kw2wvrgufz5godrsrytgd7.apphosting.bounces.google.com (client-ip=209.85.161.70; helo=mail-oo1-f70.google.com; envelope-from=3q7mdaqkbaogcijukvvobkzzsn.qyyqvoecobmyxdoxd.myw@m3kw2wvrgufz5godrsrytgd7.apphosting.bounces.google.com; receiver=lists.ozlabs.org) Received: from mail-oo1-f70.google.com (mail-oo1-f70.google.com [209.85.161.70]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4fL0sD10q8z3cPK for ; Wed, 25 Feb 2026 01:46:07 +1100 (AEDT) Received: by mail-oo1-f70.google.com with SMTP id 006d021491bc7-67995e1ecacso77583222eaf.0 for ; Tue, 24 Feb 2026 06:46:07 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1771944364; x=1772549164; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=zi58+sVP6mtMI6o5BoedbTqrbI4lZ+bprroNdTYYz+Y=; b=ja/jcCZKu2/vZyezoyrBT5xEifNPpNTRGDAHRCexKMuBctcHbZFnDiuqDRiQ/hYRk4 /syd/OBZtEqdtxJ0fDdoscdzNgkY80K4/zyTKNdAcYZHrpFAp75wQAXRm9uzn4CBHN1Q 7a/oWbVx5/jO1Xy6GNQd5qqiFdEATILAc7eWL3Tp2TvMJFm6/JUsRrWct1RxRfv4iLMU XYAz9Rwq8lgprrIB7lHILTjqOGxJs1nfn1qlMhHKCqAOO94NRoWmU+Ia7B6+LZj3t7u6 wVQ/KzbNCElxtvg8/sTJM8fHnOBUk8PH9VIZI3EEbGm6MpEdKxxx0hpowsQ0pfAZNZVA Toew== X-Forwarded-Encrypted: i=1; AJvYcCVGQdX3PqYoT+WCWgO8n0SY1nB8TUL9S0I56PBCASilYN3EXT2Z415mSQvecaK2zHJpVCU/V1LWkrwhbg==@lists.ozlabs.org X-Gm-Message-State: AOJu0YyuwPPWiOOSood2pOPvX7VKrL2l+wTuGxWhpE5YuvYeuWDSM3CU HiIX9nuc/EtsyYCAgGVPziYckuE7ktS92SLXqoAjgBE6yfdJCxhSFHWz4i417xYmwKMIEzJev07 EKa39twiMy8LlVOjs+9tOSI2G0VNF1ACoM04z2JXBXVEHKBRxl1dryqjq8Ms= X-Mailing-List: linux-erofs@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 X-Received: by 2002:a05:6820:4912:b0:662:f4cb:207b with SMTP id 006d021491bc7-679c44b719emr5016694eaf.0.1771944363947; Tue, 24 Feb 2026 06:46:03 -0800 (PST) Date: Tue, 24 Feb 2026 06:46:03 -0800 In-Reply-To: <9fab8428-73f4-44b6-afd6-31271dcdd378@linux.alibaba.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <699db9ab.050a0220.3601f3.007c.GAE@google.com> Subject: Re: [syzbot] [erofs?] KASAN: use-after-free Read in z_erofs_transform_plain (2) From: syzbot To: hsiangkao@linux.alibaba.com, linux-erofs@lists.ozlabs.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+d988dc155e740d76a331@syzkaller.appspotmail.com Tested-by: syzbot+d988dc155e740d76a331@syzkaller.appspotmail.com Tested on: commit: f5436aa3 erofs: fix interlaced plain identification fo.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git dev-test console output: https://syzkaller.appspot.com/x/log.txt?x=16a8a394580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d91443204e48b7a1 dashboard link: https://syzkaller.appspot.com/bug?extid=d988dc155e740d76a331 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.